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MinimumSeedGenerator.h
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1 // @(#)root/minuit2:$Id$
2 // Authors: M. Winkler, F. James, L. Moneta, A. Zsenei 2003-2005
3 
4 /**********************************************************************
5  * *
6  * Copyright (c) 2005 LCG ROOT Math team, CERN/PH-SFT *
7  * *
8  **********************************************************************/
9 
10 #ifndef ROOT_Minuit2_MinimumSeedGenerator
11 #define ROOT_Minuit2_MinimumSeedGenerator
12 
13 namespace ROOT {
14 
15 namespace Minuit2 {
16 
17 class MinimumSeed;
18 class MnFcn;
19 class GradientCalculator;
20 class MnUserParameterState;
21 class MnStrategy;
22 class AnalyticalGradientCalculator;
23 
24 /** base class for seed generators (starting values); the seed generator
25  prepares initial starting values from the input (MnUserParameterState)
26  for the minimization;
27  */
28 
30 
31 public:
32  virtual ~MinimumSeedGenerator() {}
33 
34  virtual MinimumSeed
35  operator()(const MnFcn &, const GradientCalculator &, const MnUserParameterState &, const MnStrategy &) const = 0;
36 
38  const MnStrategy &) const = 0;
39 };
40 
41 } // namespace Minuit2
42 
43 } // namespace ROOT
44 
45 #endif // ROOT_Minuit2_MinimumSeedGenerator
ROOT::Minuit2::MnFcn
Wrapper class to FCNBase interface used internally by Minuit.
Definition: MnFcn.h:30
ROOT::Minuit2::MinimumSeedGenerator::operator()
virtual MinimumSeed operator()(const MnFcn &, const GradientCalculator &, const MnUserParameterState &, const MnStrategy &) const =0
ROOT::Minuit2::MinimumSeedGenerator::operator()
virtual MinimumSeed operator()(const MnFcn &, const AnalyticalGradientCalculator &, const MnUserParameterState &, const MnStrategy &) const =0
ROOT::Minuit2::AnalyticalGradientCalculator
Definition: AnalyticalGradientCalculator.h:22
ROOT::Minuit2::MnUserParameterState
class which holds the external user and/or internal Minuit representation of the parameters and error...
Definition: MnUserParameterState.h:33
ROOT::Minuit2::MnStrategy
API class for defining three levels of strategies: low (0), medium (1), high (>=2); acts on: Migrad (...
Definition: MnStrategy.h:27
ROOT::Minuit2::MinimumSeedGenerator
base class for seed generators (starting values); the seed generator prepares initial starting values...
Definition: MinimumSeedGenerator.h:29
ROOT::Minuit2::GradientCalculator
interface class for gradient calculators
Definition: GradientCalculator.h:23
ROOT
tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tb...
Definition: EExecutionPolicy.hxx:4
ROOT::Minuit2::MinimumSeed
MinimumSeed contains the starting values for the minimization produced by the SeedGenerator.
Definition: MinimumSeed.h:31
ROOT::Minuit2::MinimumSeedGenerator::~MinimumSeedGenerator
virtual ~MinimumSeedGenerator()
Definition: MinimumSeedGenerator.h:32